title: NORM sources and their origins.
authors.affiliation: United States Transuranium and Uranium Registries, Washington State University, Richland 99352, USA.
authors.forename: R L
authors.initials: RL
authors.lastname: Kathren
mesh_terms: D001417:Background Radiation / Q000009:adverse effects; D003359:Cosmic Radiation; D004777:Environment; D049673:History, 20th Century; D006801:Humans; D007221:Industry; D011851:Radioactivity; D011868:Radioisotopes; D011871:Radiology / Q000266:history; D011883:Radium / Q000627:therapeutic use; D011886:Radon / Q000737:chemistry
chemical_list: D011868:Radioisotopes; D011886:Radon; D011883:Radium